tree 830f591f6931ceb411f0ae97196f113db2cd766b
parent ddf841f052fa218547c86169d1074968eca8c503
author Roland Dreier <[EMAIL PROTECTED]> Sun, 17 Apr 2005 05:26:34 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Sun, 17 Apr 2005 05:26:34 -0700
[PATCH] IB/mthca: map context for RDMA responder in mem-free mode
Fix RDMA in mem-free mode: we need to make sure that the RDMA context memory
is mapped for the HCA.
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
infiniband/hw/mthca/mthca_dev.h | 1 +
infiniband/hw/mthca/mthca_main.c | 18 ++++++++++++++++--
infiniband/hw/mthca/mthca_qp.c | 13 ++++++++++++-
3 files changed, 29 insertions(+), 3 deletions(-)
Index: drivers/infiniband/hw/mthca/mthca_dev.h
===================================================================
---
a7e6e193f0a9fce9652b1c8b33913b199b3a4c49/drivers/infiniband/hw/mthca/mthca_dev.h
(mode:100644 sha1:616a0de54b4037db4522f4252815faa892a1f552)
+++
830f591f6931ceb411f0ae97196f113db2cd766b/drivers/infiniband/hw/mthca/mthca_dev.h
(mode:100644 sha1:d014b443dc3c2c45760f31123b363b6e8f997ab9)
@@ -222,6 +222,7 @@
struct mthca_array qp;
struct mthca_icm_table *qp_table;
struct mthca_icm_table *eqp_table;
+ struct mthca_icm_table *rdb_table;
};
struct mthca_av_table {
Index: drivers/infiniband/hw/mthca/mthca_main.c
===================================================================
---
a7e6e193f0a9fce9652b1c8b33913b199b3a4c49/drivers/infiniband/hw/mthca/mthca_main.c
(mode:100644 sha1:c9c94686e7a92ae554732cee35eb6550b303b9af)
+++
830f591f6931ceb411f0ae97196f113db2cd766b/drivers/infiniband/hw/mthca/mthca_main.c
(mode:100644 sha1:014369626f65552f601a2e81e277affd763fa73d)
@@ -430,14 +430,25 @@
goto err_unmap_qp;
}
- mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
+ mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev,
init_hca->rdb_base,
+ MTHCA_RDB_ENTRY_SIZE,
+ mdev->limits.num_qps <<
+
mdev->qp_table.rdb_shift,
+ 0, 0);
+ if (!mdev->qp_table.rdb_table) {
+ mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
+ err = -ENOMEM;
+ goto err_unmap_eqp;
+ }
+
+ mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
dev_lim->cqc_entry_sz,
mdev->limits.num_cqs,
mdev->limits.reserved_cqs,
0);
if (!mdev->cq_table.table) {
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
err = -ENOMEM;
- goto err_unmap_eqp;
+ goto err_unmap_rdb;
}
/*
@@ -463,6 +474,9 @@
err_unmap_cq:
mthca_free_icm_table(mdev, mdev->cq_table.table);
+err_unmap_rdb:
+ mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
+
err_unmap_eqp:
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
Index: drivers/infiniband/hw/mthca/mthca_qp.c
===================================================================
---
a7e6e193f0a9fce9652b1c8b33913b199b3a4c49/drivers/infiniband/hw/mthca/mthca_qp.c
(mode:100644 sha1:53af7aab19910609c1107d5547d33fb645cc43e8)
+++
830f591f6931ceb411f0ae97196f113db2cd766b/drivers/infiniband/hw/mthca/mthca_qp.c
(mode:100644 sha1:ca73bab11a0288f8538d3991011c84ddf903034d)
@@ -1029,11 +1029,16 @@
if (ret)
goto err_qpc;
+ ret = mthca_table_get(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
+ if (ret)
+ goto err_eqpc;
+
qp->rq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_RQ,
qp->qpn, &qp->rq.db);
if (qp->rq.db_index < 0) {
ret = -ENOMEM;
- goto err_eqpc;
+ goto err_rdb;
}
qp->sq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SQ,
@@ -1049,6 +1054,10 @@
err_rq_db:
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
+err_rdb:
+ mthca_table_put(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
+
err_eqpc:
mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
@@ -1064,6 +1073,8 @@
if (mthca_is_memfree(dev)) {
mthca_free_db(dev, MTHCA_DB_TYPE_SQ, qp->sq.db_index);
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
+ mthca_table_put(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
mthca_table_put(dev, dev->qp_table.qp_table, qp->qpn);
}
-
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